Source
SnowConvert AI - SQL Server-Azure Synapse Issues
This EWI appears when SnowConvert AI handles a critical exception that causes the function body not to be generated during its translation.
SnowConvert AI - General Functional Differences
This message is reported when a Correlated Subquery (subquery that refers to a column from the outer query) is located. This type of subqueries can, in some cases, present some functional differences in Snowflake (Working with Subqueries).